Sidharthan, P <br/><br/>
Inventions that changed the world 

 -  Siso Books, TVPM  2002 
 - 255 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions & patents
<br/><br/><label>Dewey Class. No.: </label>R 608  SID-I